FX Sport 6 is the lightest and fastest fitness bike in the lineup. It has every performance feature of a high-end road bike, with the added benefit of a flat handlebar for additional comfort and control. A lightweight 400 Series OCLV Carbon frame, a high-quality Shimano drivetrain, and Bontrager carbon wheels make it the best choice for serious fitness riders with serious goals.
You want the fastest fitness bike you can get—one that can hold its own with any road bike out there. You want to keep up with faster group rides, put on more miles, set new Strava PRs, and leave a pack of roadies in your dust as you sprint to the town line.
A lightweight 400 Series OCLV Carbon frame with a carbon fork, a 1x Shimano GRX/SLX drivetrain with a wide range of gearing, hydraulic disc brakes, hidden fender mounts, a lightweight Bontrager Aeolus Elite 35 carbon wheelset with high-quality tubeless-ready Bontrager GR1 Team Issue gravel tires, and a vibration-absorbing handlebar with ergonomic grips.
The fastest fitness bike. Period. A lightweight OCLV Carbon frame and fork, a high-performance 1x drivetrain, and a light and responsive carbon wheelset make FX Sport 6 the ideal ride for anyone who wants to ride ridiculously fast and crush fitness milestones.
Size | Rider Height | Inseam |
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XS | 147 - 155 cm 4'10" - 5'1" | 69 - 73 cm 27" - 29" |
S | 155 - 165 cm 5'1" - 5'5" | 72 - 78 cm 28" - 31" |
M | 165 - 175 cm 5'5" - 5'9" | 77 - 83 cm 30" - 33" |
L | 175 - 186 cm 5'9" - 6'1" | 82 - 88 cm 32" - 35" |
XL | 186 - 197 cm 6'1" - 6'6" | 87 - 93 cm 34" - 37" |
Frame size letter | Wheel size | A — Seat tube | B — Seat tube angle | C — Head tube length | D — Head angle | E — Effective top tube | F — Bottom bracket height | G — Bottom bracket drop | H — Chainstay length | I — Offset | J — Trail | K — Wheelbase | L — Standover | M — Frame reach | N — Frame stack |
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XS | 700c | 35.6 | 75.0° | 11.5 | 70.0° | 52.8 | 28.5 | 6.5 | 44.2 | 5.0 | 7.4 | 104.7 | 70.8 | 38.3 | 54.3 |
S | 700c | 40.6 | 74.5° | 14.0 | 70.5° | 54.3 | 28.5 | 6.5 | 44.2 | 5.0 | 7.1 | 105.4 | 75.1 | 38.5 | 56.8 |
M | 700c | 45.7 | 74.0° | 16.5 | 71.0° | 56.3 | 28.5 | 6.5 | 44.2 | 5.0 | 6.8 | 106.5 | 78.7 | 39.3 | 59.4 |
L | 700c | 50.8 | 73.5° | 19.0 | 71.5° | 58.3 | 28.5 | 6.5 | 44.2 | 5.0 | 6.4 | 107.5 | 81.2 | 40.0 | 62.0 |
XL | 700c | 55.9 | 72.5° | 21.5 | 72.5° | 61.3 | 28.5 | 6.5 | 44.2 | 5.0 | 5.8 | 108.2 | 84.8 | 41.0 | 64.8 |
Fork | Carbon, hidden fender mounts, flat mount disc, 5x100mm thru-skew |
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Wheel front | Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, 100x5mm QR |
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Wheel rear | Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, Shimano 11-speed freehub, 135x5mm skewer |
Tire | Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40c |
Max tire size | 42c without fenders, 40c with fenders |
Shifter | Shimano RS700, 11 speed |
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Rear derailleur | Shimano GRX RX812, long cage, 42T max cog |
*Crank | Size: XS, S Shimano GRX RX600, 40T ring, 170mm length |
Size: M, L, XL Shimano GRX RX600, 40T ring, 175mm length | |
Bottom bracket | Shimano RS500, 86mm, PressFit |
Cassette | Shimano SLX M7000, 11-42, 11 speed |
Chain | Shimano HG601 |
Pedal | VPE-993T |
Max chainring size | 44T |
Saddle | Bontrager Montrose Comp, steel rails, 138mm width |
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Seatpost | Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 330mm length |
*Handlebar | Size: XS, S, M Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 600mm width |
Size: L, XL Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 660mm width | |
Grips | Bontrager Satellite IsoZone Plus, lock-on, ergonomic |
*Stem | Size: XS Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length |
Size: S, M Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 100mm length | |
Size: L, XL Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 110mm length | |
Brake | Shimano hydraulic disc, MT201 lever, UR300 caliper |
Brake rotor | Shimano RT10, centerlock, 160mm |
Rotor size | Max brake rotor size: 160mm |
Weight | M - 9.47 kg / 20.88 lbs |
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Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |